package com.itheima.consumer.controller;

import com.itheima.consumer.domain.Goods;

import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.cloud.client.ServiceInstance;
import org.springframework.cloud.client.discovery.DiscoveryClient;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PathVariable;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;

import java.util.List;

@RestController
@RequestMapping("/order")
public class OrderController {
    @Autowired
    private RestTemplate restTemplate;
    @Autowired
    private DiscoveryClient discoveryClient;
    @RequestMapping("/good/{id}")
    public Goods  findGoosById(@PathVariable("id") int id){
//        System.out.println("findGoodsById"+id);
//          String   url="http://localhost:8000/goods/findOne/"+id;
//        Goods goods = restTemplate.getForObject(url, Goods.class);
//
        List<ServiceInstance> instances = discoveryClient.getInstances("EUREKA-PROVIDER");
        if (instances==null||instances.size()==0){
         return  null;
        }
        ServiceInstance serviceInstance = instances.get(0);
        String host = serviceInstance.getHost();
        int port = serviceInstance.getPort();
        System.out.println(host);
        System.out.println(port);
        String url1 = "http://"+host+":"+port+"/goods/findOne/"+id;
        // 3. 调用方法
        Goods goods1 = restTemplate.getForObject(url1, Goods.class);
        return   goods1;
    }
}
